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All results from a given calculation for CN (Cyano radical)

using model chemistry: CISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at CISD/6-311G*
 hartrees
Energy at 0K-92.472827
Energy at 298.15K-92.471573
HF Energy-92.225811
Nuclear repulsion energy19.340535
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CISD/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2394 2215 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 1196.8 cm-1
Scaled (by 0.9253) Zero Point Vibrational Energy (zpe) 1107.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CISD/6-311G*
B
1.97539

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.619
N2 0.000 0.000 0.530

Atom - Atom Distances (Å)
  C1 N2
C11.1492
N21.1492

picture of Cyano radical state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability